package book

// func (book *Book) BeforeSave(tx *gorm.DB) (err error) {}
// func (book *Book) BeforeCreate(tx *gorm.DB) (err error) {}
// func (book *Book) AfterCreate(tx *gorm.DB) (err error) {}
// func (book *Book) BeforeUpdate(tx *gorm.DB) (err error) {}
// func (book *Book) AfterUpdate(tx *gorm.DB) (err error) {}
// func (book *Book) AfterSave(tx *gorm.DB) (err error) {}
// func (book *Book) BeforeDelete(tx *gorm.DB) (err error) {}
// func (book *Book) AfterDelete(tx *gorm.DB) (err error) {}
// func (book *Book) AfterFind(tx *gorm.DB) (err error) {}